Ethnic differences in maternal diet in pregnancy and infant eczema

Michael A Zulyniak, Russell J de Souza, Mateen Shaikh, Chinthanie Ramasundarahettige, Keith Tam, Natalie William, Dipika Desai, Diana L Lefebvre, Milan Gupta, Padmaja Subbarao, Allan B Becker, Piushkumar J Mandhane, Stuart E Turvey, Theo Moraes, Meghan B Azad, Koon K Teo, Malcolm R Sears and on behalf of the NutriGen Alliance Investigators

PLOS ONE, 2020, vol. 15, issue 5, 1-13

Abstract: Background: The global prevalence of childhood eczema has increased over the last few decades, with a marked increase in high-income countries. Differences in prevalence of childhood eczema between countries and ethnicities suggest that genetic and early modifiable environmental factors, such as dietary intake, may underlie this observation. To investigate the association between pregnancy diet and infant eczema in a consortium of prospective Canadian birth cohorts predominantly comprised of white Europeans and South Asians. Methods: We evaluated the association of maternal dietary patterns reported during pregnancy (assessed at 24–28 weeks gestation using a semi-quantitiative food-frequency questionnaire) with parent-reported physician-diagnosed infant eczema at 1-year from 2,160 mother-infant pairs. Using three dietary patterns (“Western”, “plant-based”, and “Balanced”) previously derived in this cohort using principal component analysis, we used multivariable logistic regression to determine the association of these dietary patterns with infant eczema, adjusted for potential confounders. Results: We observed a lower odds of eczema in the full sample combining white Europeans and South Asians with greater adherence to a plant-based (OR = 0.65; 95% CI: 0.55, 0.76;

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0232170

DOI: 10.1371/journal.pone.0232170

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